<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">×</i>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">×</i>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTrademark">×</i>
            </li>

            <li
              class="with-x"
              v-for="(prop, index) in searchParams.props"
              :key="prop"
            >
              {{ prop.split(":")[1] }}<i @click="removeProp(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
          @searchForTrademark="searchForTrademark"
          @searchForProp="searchForProp"
        />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li
                  :class="{ active: orderFlag === '1' }"
                >
                  <!-- 
                    1、按照searchParams当中的order数据处理背景色在谁身上
                    2、使用图标
                        1、用什么字体图标  iconfont
                        2、什么时候哪个有图标
                        3、如果有图标，是上还是下
                  -->
                  <a href="javascript:;" @click="changeSort('1')">
                    综合
                    <i
                      v-if="orderFlag === '1'"
                      class="iconfont"
                      :class="{
                        iconUpxiangshang14:
                          orderType === 'asc',
                        iconDownxiangxia36:
                          orderType === 'desc',
                      }"
                    ></i>
                  </a>
                </li>
                <li
                  :class="{ active: orderFlag === '2' }"
                >
                  <a href="javascript:;" @click="changeSort('2')">
                    价格
                    <i
                      v-if="orderFlag === '2'"
                      class="iconfont"
                      :class="{
                        iconUpxiangshang14:
                          orderType === 'asc',
                        iconDownxiangxia36:
                          orderType === 'desc',
                      }"
                    ></i>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(goods, index) in goodsList"
                :key="goods.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- <a href="item.html" target="_blank"
                      ><img :src="goods.defaultImg"
                    /></a> -->
                    <router-link :to="'/detail/'+goods.id">
                      <img :src="goods.defaultImg"/>
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <!-- <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ goods.title }}</a
                    > -->
                    <router-link :to="'/detail/'+goods.id">
                      {{ goods.title }}
                    </router-link>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          
          <!-- goodsListInfo.total有可能是undefined -->
          <!-- 连续数都是奇数  连续数最少是3 -->
          <!--  -->
          <Pagination
            @changeNo="changeNo"
            :currentPageNo="searchParams.pageNo"
            :total="goodsListInfo.total" 
            :pageSize="searchParams.pageSize"
            :continueNum="5"
          ></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters, mapState } from "vuex";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  components: {
    SearchSelector,
  },

  

  data() {
    return {
      // 这个参数就是你搜索商品的初始化参数
      // 这个参数当中包含了用户后期搜索的所有搜索条件，只是大部分开始都是空的
      // 后期用户需要按照某个条件进行搜索，我们只需要修改这个参数内对应的搜索条件
      //重新调用函数发请求即可
      searchParams: {
        // 这些参数代表用户的搜索条件，这些搜索条件是动态的
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        props: [],
        trademark: "",

        // 默认参数：默认给你第一页的数据，每页是10条，默认是按照order排序的
        order: "1:desc",
        //排序的规则包含：排序的标志和排序的类型
        //排序的标志 :  1代表综合排序   2代表价格排序
        //排序的类型 ： desc代表降序    asc代表升序
        pageNo: 1, //当前页码
        pageSize: 2 //每页的条数
      },
    };
  },

  // 按照三级分类和关键字进行搜索，本质就是在mounted之前，把用户从首页跳转过来时候的
  // 三级分类名称和关键字给解析出来，赋值给this.searchParams

  beforeMount() {
    // let {
    //   categoryName,
    //   category1Id,
    //   category2Id,
    //   category3Id,
    // } = this.$route.query;
    // let { keyword } = this.$route.params;

    // let searchParams = {
    //   ...this.searchParams,
    //   categoryName,
    //   category1Id,
    //   category2Id,
    //   category3Id,
    //   keyword,
    // };

    // //把对象当中属性值为空串的，全部干掉
    // Object.keys(searchParams).forEach((item) => {
    //   if (searchParams[item] === "") {
    //     delete searchParams[item];
    //   }
    // });

    // this.searchParams = searchParams;
    this.handlerSearchParams();
  },

  mounted() {
    this.getGoodsListInfo();
    // this.$refs.pa.$on('changeNo',this.changeNo)
  },
  watch: {
    $route: {
      // 处理解析路由当中携带的参数
      handler(newVal, oldVal) {
        this.handlerSearchParams();
        //重新发请求
        this.getGoodsListInfo();
      },
    },
  },

  methods: {
    getGoodsListInfo() {
      // {}只是我们在测试的时候传递的
      // 这里传递参数，需要自己初始化参数进行传递
      // 初始化参数叫初始化搜索参数
      // this.$store.dispatch("getGoodsListInfo", {});
      this.$store.dispatch("getGoodsListInfo", this.searchParams);
    },
    //处理路由对象携带的参数
    handlerSearchParams() {
      let {
        categoryName,
        category1Id,
        category2Id,
        category3Id,
      } = this.$route.query;
      let { keyword } = this.$route.params;

      let searchParams = {
        ...this.searchParams,
        categoryName,
        category1Id,
        category2Id,
        category3Id,
        keyword,
      };

      //把对象当中属性值为空串的，全部干掉
      Object.keys(searchParams).forEach((item) => {
        if (searchParams[item] === "") {
          delete searchParams[item];
        }
      });

      this.searchParams = searchParams;
    },

    //删除分类名称，面包屑需要删除，还要重新发请求
    removeCategoryName() {
      this.searchParams.categoryName = undefined;
      // 这样发请求，数据确实可以重新获取，但是这样发请求不会改变路径
      // this.getGoodsListInfo()
      // 不能直接修改原来的路由对象，而是重新跳转匹配新的路由对象
      this.searchParams.pageNo = 1
      // this.$router.push({ name: "search", params: this.$route.params });
      this.$router.replace({ name: "search", params: this.$route.params });
    },
    //删除关键，面包屑需要删除，还要重新发请求
    removeKeyword() {
      this.searchParams.keyword = undefined;
      // this.getGoodsListInfo()
      //删除关键字
      this.$bus.$emit("clearKeyword");
      this.searchParams.pageNo = 1
      this.$router.replace({ name: "search", query: this.$route.query });
    },
    //根据品牌搜索
    searchForTrademark(tm) {
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`;
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },

    //删除品牌重新发送请求
    removeTrademark() {
      this.searchParams.trademark = undefined;
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },
    //根据属性和属性值进行搜索
    searchForProp(attrValue, attr) {
      let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      // some/every/forEach/map/filter/reduce
      // some
      // 功能  ： 判断一个数组当中是不是有和条件一样的项  有就是true  一个都没有返回false
      // 参数  ：  和filter一致
      // 返回值 ：  布尔值
      let isRepeat = this.searchParams.props.some((item) => item === prop);
      if (isRepeat) return;
      this.searchParams.props.push(prop);
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },
    //删除某个属性，重新请求搜索
    removeProp(index) {
      this.searchParams.props.splice(index, 1);
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },
    //排序
    changeSort(sortFlag){
      //第一步：我们要确定用户点击的是不是原来的排序
      let originFlag = this.searchParams.order.split(':')[0]
      let originType = this.orderType
      let newOrder = ''
      if(sortFlag === originFlag){
        //点的还是原来的
        newOrder = `${originFlag}:${originType === 'desc'?'asc':'desc'}`

      }else{
        //点的是新的
        newOrder = `${sortFlag}:desc`
      }

      //第二步： 重新把新的规则赋值，然后发请求
      this.searchParams.order = newOrder
      this.searchParams.pageNo = 1
      this.getGoodsListInfo()
    },
    //分页器切换页码
    changeNo(page){
      this.searchParams.pageNo = page
      this.getGoodsListInfo()
    }
  },

  computed: {
    ...mapGetters(["goodsList"]),
    ...mapState({
      goodsListInfo:state=>state.search.goodsListInfo
    }),
    orderFlag(){
      return this.searchParams.order.split(':')[0]
    },
    orderType(){
      return this.searchParams.order.split(':')[1]
    }

  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>